Four number-pairs have been given, out of which three are alike in some manner and one is different. Select the one that is different.
Answer & explanation
Correct answer: option 1
322 : 18 - - ist number is the square of second number
as we know 182 = 324 but in this 322 is given thats why it is is odd
289 : 17 - ist number is the square of second number
225 : 15 - - ist number is the square of second number
484 : 22 - - ist number is the square of second number